Coffee maker



FIG. 1 is a perspective view of a coffee maker showing my new design in accordance with a first embodiment;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view of an alternative embodiment of the coffee maker of the present invention.

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a coffee maker, as shown and described. 